Fourier Transform

Images are nothing but samples of different intensities. These samples can be represented in frequency spectra. Those frequency images can be used to analyze images differently.

Lesson Objectives

  • Using sines and cosines to reconstruct a signal.

  • The Fourier Transform

  • Frequency Domains for a Signal

  • Using Sines and Cosines to reconstruct the signal

  • The Fourier Transform

  • Frequency Domains for a signal

  • Three properties of Convolution.

04-01 Fourier Transform

04-02 Blending

04-03 Pyramids

04-04 Cuts

04-05 Features

04-06 Feature Detection and Matching